18730978816

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{49639}}^1$

素因数の和:49735

約数の個数: 80

約数和(自身を含む): 41437883520

約数和(自身を除く): 22706904704

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 67, 88, 128, 134, 176, 256, 268, 352, 512, 536, 704, 737, 1072, 1408, 1474, 2144, 2816, 2948, 4288, 5632, 5896, 8576, 11792, 17152, 23584, 34304, 47168, 49639, 94336, 99278, 188672, 198556, 377344, 397112, 546029, 794224, 1092058, 1588448, 2184116, 3176896, 3325813, 4368232, 6353792, 6651626, 8736464, 12707584, 13303252, 17472928, 25415168, 26606504, 34945856, 36583943, 53213008, 69891712, 73167886, 106426016, 139783424, 146335772, 212852032, 279566848, 292671544, 425704064, 585343088, 851408128, 1170686176, 1702816256, 2341372352, 4682744704, 9365489408, 18730978816]

約数ペア:

[(1, 18730978816), (2, 9365489408), (4, 4682744704), (8, 2341372352), (11, 1702816256), (16, 1170686176), (22, 851408128), (32, 585343088), (44, 425704064), (64, 292671544), (67, 279566848), (88, 212852032), (128, 146335772), (134, 139783424), (176, 106426016), (256, 73167886), (268, 69891712), (352, 53213008), (512, 36583943), (536, 34945856), (704, 26606504), (737, 25415168), (1072, 17472928), (1408, 13303252), (1474, 12707584), (2144, 8736464), (2816, 6651626), (2948, 6353792), (4288, 4368232), (5632, 3325813), (5896, 3176896), (8576, 2184116), (11792, 1588448), (17152, 1092058), (23584, 794224), (34304, 546029), (47168, 397112), (49639, 377344), (94336, 198556), (99278, 188672)]